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Exploding Peerless Pinnacle Boiler
I serviced a Peerless Pinnacle boiler which was filthy. I cleaned the heat exchanger, corrected the exhaust distance, piped it primary/ secondary, cleaned the igniter/ flame sensor, checked the combustion levels for proper operation.
A week later the customer had a f 9 error code. When I went to reset the controller on start up I heard a little explosion in the heat exchanger. Yet it ran normally after that. Does anyone know why that happened.
SUPER SERVICE WITH A SMILE!